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# Look-alike Modeling
- URL: https://www.adlingo.org/glossary/look-alike-modeling/
- Published: 2025-01-15T10:37:00.000Z
- Updated: 2025-01-15T10:37:00.000Z
- Description: Using data analytics to identify and target audiences that share characteristics with existing high-value customers.
- Author: Travis Lusk
- Tags: Programmatic, #glossary, #Import 2026-10-27 17:05

Expanding your reach by finding people who share attributes with your best customers. You seed the model with a high-value first-party segment. The algorithm finds users with similar signals across the broader population. The quality of the output depends entirely on the quality of the seed. A weak seed produces a large, unfocused audience. A strong seed produces a smaller, more precise one. Resist the temptation to expand the seed to hit reach targets.